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Toot

Written by Random Dent on 2024-08-12 at 15:17

Enabling Antenna Aggregation Might Make Big Difference If Your Laptop Has An Intel Wifi Card.

https://lemmy.ml/post/19070591

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Descendants

Written by henfredemars@infosec.pub on 2024-08-12 at 16:02

Just throwing this out there: on my hardware, this improves my upload but hurts my download speeds. There could possibly be reasons why it’s not set by default.

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Written by MonkderVierte@lemmy.ml on 2024-08-12 at 16:15

I think i read about this once. Something like, Windows has less strict requirements for drivers and hardware, which is why driver-side workarounds for broken hw works better there. Or something like that.

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Written by Random Dent on 2024-08-12 at 16:50

I tried it out on another laptop since I posted this, and that had the inverse - download speeds went up by about 20% or so, but the upload speed seems have taken a hit of about 10%. On my ‘main’ laptop both improved quite drastically.

So yeah definitely a ‘your mileage may vary’ type of situation, but it’s easy enough to reverse I guess so worth a shot if anyone has a bit of a speed problem. You might get lucky!

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Written by fuckwit_mcbumcrumble@lemmy.dbzer0.com on 2024-08-12 at 17:32

Are you in a particularly busy wifi area or one without a lot of traffic?

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Written by henfredemars@infosec.pub on 2024-08-12 at 17:35

My Wi-Fi bands are saturated with about 50 networks on 2.4 in an apartment complex.

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Written by The Doctor on 2024-08-12 at 16:24

Thank you for posting this, I’ll give it a try tonight.

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Written by Random Dent on 2024-08-12 at 16:52

No worries! From other comments and a couple of tests I did it seems to get somewhat mixed results, but it’s easy enough to undo so you might get lucky! It worked for me at least lol.

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Written by BCsven@lemmy.ca on 2024-08-12 at 17:54

Not sure if this is the same setting but a linux podcast noted one setting was not set by default (for speed) in order to keep power consumption lower

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Written by SteveTech@programming.dev on 2024-08-12 at 21:13

I think some people also use power_save=0 which would, but my understanding is 11n_disable=8 enables aggregating transmit packets together, which impacts latency but improves upload speed.

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Written by gerdesj@lemmy.ml on 2024-08-12 at 22:08

Please do a little research before trying random stuff. After checking to see if you are actually using the iwlwifi module, why not find out a bit about whether the mentioned param. is available to you and what it does:

Am I using the module. If the output from this is blank, then no:

iwlwifi 622592 1 iwlmvm

cfg80211 1331200 3 iwlmvm,iwlwifi,mac80211

Also verify with lspci -k as above:

    DeviceName: WLAN

    Subsystem: Intel Corporation Raptor Lake PCH CNVi WiFi

    Kernel driver in use: iwlwifi

    Kernel modules: iwlwifi

00:15.0 Serial bus controller: Intel Corporation Alder Lake PCH Serial IO I2C Controller #0 (rev 01)

    Subsystem: Hewlett-Packard Company Alder Lake PCH Serial IO I2C Controller

...

parm: swcrypto:using crypto in software (default 0 [hardware]) (int)

parm: 11n_disable:disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX (uint)

parm: amsdu_size:amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, 4K for other devices 1:4K 2:8K 3:12K (16K buffers) 4: 2K (default 0) (int)

parm: fw_restart:restart firmware in case of error (default true) (bool)

parm: nvm_file:NVM file name (charp)

parm: uapsd_disable:disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3) (uint)

parm: enable_ini:0:disable, 1-15:FW_DBG_PRESET Values, 16:enabled without preset value defined,Debug INI TLV FW debug infrastructure (default: 16) (uint)

parm: bt_coex_active:enable wifi/bt co-exist (default: enable) (bool)

parm: led_mode:0=system default, 1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0) (int)

parm: power_save:enable WiFi power management (default: disable) (bool)

parm: power_level:default power save level (range from 1 - 5, default: 1) (int)

parm: disable_11ac:Disable VHT capabilities (default: false) (bool)

parm: remove_when_gone:Remove dev from PCIe bus if it is deemed inaccessible (default: false) (bool)

parm: disable_11ax:Disable HE capabilities (default: false) (bool)

parm: disable_11be:Disable EHT capabilities (default: false) (bool)

sysfs is a pseudo filesystem with lots of info in it. cat the files here:

… to see what your current values are set at. You can install sysfstools and run this for a neat report:

Module = "iwlwifi"

Attributes:

 ...

Parameters:

11n_disable         = "0"

amsdu_size          = "0"

bt_coex_active      = "Y"

disable_11ac        = "N"

disable_11ax        = "N"

disable_11be        = "N"

enable_ini          = "16"

fw_restart          = "Y"

led_mode            = "0"

nvm_file            = "(null)"

power_level         = "0"

power_save          = "N"

remove_when_gone    = "N"

swcrypto            = "0"

uapsd_disable       = "3"

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